Home / 89,895,933.78-124,056,812.70-50,739,360.90

Finding the Fourth Proportional to 89,895,933.78, 124,056,812.70 and 50,739,360.90

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Solution

The fourth proportional to 89,895,933.78, 124,056,812.70 and 50,739,360.90 is: 70,020,557.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,895,933.78 : 124,056,812.70 = 50,739,360.90 : x
  2. Step 2: Convert to fraction form
    89,895,933.78/124,056,812.70 = 50,739,360.90/x
  3. Step 3: Cross multiply
    89,895,933.78x = 124,056,812.70 × 50,739,360.90
  4. Step 4: Simplify right side
    89,895,933.78x = 6,294,563,391,689,003
  5. Step 5: Solve for x
    x = 6,294,563,391,689,003/89,895,933.78
  6. Step 6: Final answer
    x = 70,020,557.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.